fox announced that mariah carey has signed on as a judge after jennifer lopez and steven tyler both quit. randy jackson's return, nobody knows what's happening. that's still yet to be confirmed. there are lots of people in the running for the jobs and the judge's table will look really different next season, that's for sure. meantime nick jonas seems to be saying let's get that campaign sta started, america. carol, looks like he really, really wants that job. >> i think so. and you can interrupt my conversations any day, carol. >> we still love you. we love you vuery much. >> details on natalie portman's wedding. guess what, half of our polluted air is coming from overseas and scientists say the world's largest continent is to blame. find out why it could also be affecting our weather. [ obama ] i'm barack obama and i approve this message. [ male announcer ] you work hard. stretch every penny. but chances are you pay a higher tax rate than him... mitt romney made twenty million dollars in two thousand ten but paid only fourteen percent in taxes... probably less than you now he has a plan